CN105780486A - 一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂 - Google Patents

一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂 Download PDF

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CN105780486A
CN105780486A CN201610250282.XA CN201610250282A CN105780486A CN 105780486 A CN105780486 A CN 105780486A CN 201610250282 A CN201610250282 A CN 201610250282A CN 105780486 A CN105780486 A CN 105780486A
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bacterial cellulose
coating agent
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周务农
周茂林
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ANHUI WANLING DOWN AND FEATHER PRODUCTS Co Ltd
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Abstract

本发明公开了一种含超细羽绒纤维‑细菌纤维素微球的水性聚氨酯涂层剂，本发明将羽绒纤维处理成具有高表面活性和高热稳定性的超细纤维，并将其与细菌纤维素在戊二醛作用下相互接枝桥连，形成稳定牢固的复合微球，这种复合微球结合了羽绒纤维与细菌纤维素的优点，又改善了超细羽绒纤维易吸湿回潮的缺陷，含有这种复合微球的聚氨酯涂层剂表现出优良的透气透湿性，安全无毒，整理后的织物表面亲肤柔软，多次水洗后仍能保持良好的回弹性，不易产生褶皱，极大的提高了织物的经济价值。

Description

一种含超细羽绒纤维 - 细菌纤维素微球的水性聚氨酯涂层剂
技术领域
本发明涉及纺织品涂层整理剂技术领域，尤其涉及一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂。
背景技术
纺织品涂层整理剂简称涂层剂，是一种涂布于织物表面的高分子化合物薄膜，用以改善织物的风格、手感以及外观等等，极大的提高了纺织品的附加价值。水性聚氨酯涂层剂是一类重要的环保涂层剂，其具有弹性优，手感柔软，耐磨耐溶剂等优点，然而其透湿性较差，严重影响织物的穿着体验，且生产成本高，随着市场需求的提升，研究防水透气类环保聚氨酯织物涂层剂显得尤为重要。《丝素/聚氨酯防水透湿涂层剂的制备及其应用》一文利用丝素对聚氨酯进行改性处理，有效的提高了涂层剂的透湿效果，然而丝素的疏水性较差，随着丝素质量分数的提高涂层膜的耐水性会变差，且丝素的生产成本较高，不利于大规模生产。
我国是羽绒生产大国，年产量遥遥领先于其他国家，羽绒是一种多基团的氨基酸肽链结构的天然蛋白质材料，粗蛋白含量占整个羽绒的80%以上，其结构蓬松柔软，保暖性卓越，具备良好的吸湿性和生物相容性，然而在其资源利用方面的研究利用依旧处于原材料粗加工的水平，除了少量的作为保暖填充材料用于服装和床上用品以外，还有一部分用于体育用品、工艺品以及复合材料的增强材料，大部分都被作为废弃物处理，造成了大量的资源浪费。羽绒在透湿透气性以及耐水性方面均优于丝素，如果能将羽绒有效的引入聚氨酯涂层剂中，将会获得具备优良综合性能的涂层剂，提高织物的经济价值。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂。
本发明是通过以下技术方案实现的：
一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂，该涂层剂由以下重量份的原料制得：固含量为30-50%的水性聚氨酯乳液30-50、超细羽绒纤维-细菌纤维素微球5-10、分散剂0.1、水性消泡剂0.1、去离子水10-50。
所述的超细羽绒纤维-细菌纤维素微球的制备方法为：
（1）将羽绒经过除杂、消毒、清洗、干燥后经高速剪切机剪切粉碎，过625-800目筛，随后将过筛物投入磨浆机内，以无水乙醇作为研磨介质磨浆，研磨2-5h后在60-80℃条件下干燥，制成超细羽绒纤维，再将其投入去离子水中，配成5-10wt%的分散液备用；
（2）将细菌纤维素与2-5%的醋酸溶液混合打浆，细菌纤维素与醋酸溶液的体积比为1：10-20，打浆条件为：转速1000-1500转/分钟，时间为1-2h，得到的混合液备用；
（3）将步骤（1）与（2）所得的物料混合均匀，加入等体积量的浓度为1.0%的戊二醛水溶液，超声震荡20-30min后静置5-8h，随后过滤，过滤物水洗2-3次后放入适量去离子水中搅拌均匀，混合溶液再投入高压微射流均质机中，在均质压力为20000-30000psi条件下均质5-10次，处理完毕后溶液经喷雾干燥，即得所述超细羽绒纤维-细菌纤维素微球。
所述的步骤（3）中加入的超细羽绒纤维混合液与细菌纤维素混合液的体积比为1:2-5。
所述的一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂的制备方法为：将各原料搅拌混合均匀后即得。
本发明将羽绒纤维处理成具有高表面活性和高热稳定性的超细纤维，并将其与细菌纤维素在戊二醛作用下相互接枝桥连，形成稳定牢固的复合微球，这种复合微球结合了羽绒纤维与细菌纤维素的优点，又改善了超细羽绒纤维易吸湿回潮的缺陷，含有这种复合微球的聚氨酯涂层剂表现出优良的透气透湿性，安全无毒，整理后的织物表面亲肤柔软，多次水洗后仍能保持良好的回弹性，不易产生褶皱，极大的提高了织物的经济价值。
具体实施方式
该实施例涂层剂由以下重量份的原料搅拌混合均匀后制得：固含量为30%的水性聚氨酯乳液30、超细羽绒纤维-细菌纤维素微球5、分散剂0.1、水性消泡剂0.1、去离子水10。
其中超细羽绒纤维-细菌纤维素微球的制备方法为：
（1）将羽绒经过除杂、消毒、清洗、干燥后经高速剪切机剪切粉碎，过625目筛，随后将过筛物投入磨浆机内，以无水乙醇作为研磨介质磨浆，研磨2h后在60℃条件下干燥，制成超细羽绒纤维，再将其投入去离子水中，配成5wt%的分散液备用；
（2）将细菌纤维素与2%的醋酸溶液混合打浆，细菌纤维素与醋酸溶液的体积比为1：10，打浆条件为：转速1000转/分钟，时间为1h，得到的混合液备用；
（3）将步骤（1）与（2）所得的物料混合均匀，加入等体积量的浓度为1.0%的戊二醛水溶液，超声震荡20min后静置5h，随后过滤，过滤物水洗2次后放入适量去离子水中搅拌均匀，混合溶液再投入高压微射流均质机中，在均质压力为20000psi条件下均质5次，处理完毕后溶液经喷雾干燥，即得所述超细羽绒纤维-细菌纤维素微球。
其中步骤（3）中加入的超细羽绒纤维混合液与细菌纤维素混合液的体积比为1:2。
将制得的涂层剂对涤纶织物进行涂覆处理，使得织物增重2.5%，处理后的织物按照纺织品性能测试标准进行测试，测试结果如下：
检测项目 洗涤前 洗涤10次 洗涤20次
透湿量（g/m2×24h） 2550 2872 3020
拒水性（级） 4级 4级 3级
耐静水压（mmH2O） 2405 2230 2015
拒油性（级） 4级 4级 4级
水洗失重率（%） 0 3.2 7.4
手感 柔软顺滑 柔软顺滑 柔软顺滑

Claims (4)

1.一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂，其特征在于，该涂层剂由以下重量份的原料制得：固含量为30-50%的水性聚氨酯乳液30-50、超细羽绒纤维-细菌纤维素微球5-10、分散剂0.1、水性消泡剂0.1、去离子水10-50。
2.如权利要求1所述的一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂，其特征在于，所述的超细羽绒纤维-细菌纤维素微球的制备方法为：
（1）将羽绒经过除杂、消毒、清洗、干燥后经高速剪切机剪切粉碎，过625-800目筛，随后将过筛物投入磨浆机内，以无水乙醇作为研磨介质磨浆，研磨2-5h后在60-80℃条件下干燥，制成超细羽绒纤维，再将其投入去离子水中，配成5-10wt%的分散液备用；
（2）将细菌纤维素与2-5%的醋酸溶液混合打浆，细菌纤维素与醋酸溶液的体积比为1：10-20，打浆条件为：转速1000-1500转/分钟，时间为1-2h，得到的混合液备用；
（3）将步骤（1）与（2）所得的物料混合均匀，加入等体积量的浓度为1.0%的戊二醛水溶液，超声震荡20-30min后静置5-8h，随后过滤，过滤物水洗2-3次后放入适量去离子水中搅拌均匀，混合溶液再投入高压微射流均质机中，在均质压力为20000-30000psi条件下均质5-10次，处理完毕后溶液经喷雾干燥，即得所述超细羽绒纤维-细菌纤维素微球。
3.如权利要求2所述的一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂，其特征在于，所述的步骤（3）中加入的超细羽绒纤维混合液与细菌纤维素混合液的体积比为1:2-5。
4.如权利要求1所述的一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂的制备方法为：将各原料搅拌混合均匀后即得。
CN201610250282.XA 2016-04-21 2016-04-21 一种含超细羽绒纤维-细菌纤维素微球的水性聚氨酯涂层剂 Pending CN105780486A (zh)

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Publication number Priority date Publication date Assignee Title
CN107044054A (zh) * 2017-04-12 2017-08-15 江南大学 一种原位细菌纤维素/羽绒保温材料及其制备方法
CN109468848A (zh) * 2018-10-29 2019-03-15 长沙浩然医疗科技有限公司 一种蚕丝羽绒的生产工艺

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Application publication date: 20160720